New feature: basic Ajax suggestion for tags and implementation of Dojo toolkit

git-svn-id: https://semanticscuttle.svn.sourceforge.net/svnroot/semanticscuttle/trunk@151 b3834d28-1941-0410-a4f8-b48e95affb8f

1 files changed, 363 insertions, 0 deletions

diff --git a/includes/js/dojox/grid/Grid.js b/includes/js/dojox/grid/Grid.js
new file mode 100644
index 0000000..309bb25
--- /dev/null
+++ b/includes/js/dojox/grid/Grid.js
@@ -0,0 +1,363 @@
+if(!dojo._hasResource["dojox.grid.Grid"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojox.grid.Grid"] = true;
+dojo.provide("dojox.grid.Grid");
+dojo.require("dojox.grid.VirtualGrid");
+dojo.require("dojox.grid._data.model");
+dojo.require("dojox.grid._data.editors");
+dojo.require("dojox.grid._data.dijitEditors");
+
+// FIXME: 
+//		we are at the wrong location! 
+
+dojo.declare('dojox.Grid', dojox.VirtualGrid, {
+	//	summary:
+	//		A grid widget with virtual scrolling, cell editing, complex rows,
+	//		sorting, fixed columns, sizeable columns, etc.
+	//	description:
+	//		Grid is a subclass of VirtualGrid, providing binding to a data
+	//		store.
+	//	example:
+	//		define the grid structure:
+	//	|	var structure = [ // array of view objects
+	//	|		{ cells: [// array of rows, a row is an array of cells
+	//	|			[	{ name: "Alpha", width: 6 }, 
+	//	|				{ name: "Beta" }, 
+	//	|				{ name: "Gamma", get: formatFunction }
+	//	|			]
+	//	|		]}
+	//	|	];
+	//	  	
+	//		define a grid data model
+	//	|	var model = new dojox.grid.data.table(null, data);
+	//	|
+	//	|	<div id="grid" model="model" structure="structure" 
+	//	|		dojoType="dojox.VirtualGrid"></div>
+	//	
+
+	//	model:
+	//		string or object grid data model
+	model: 'dojox.grid.data.Table',
+	
+	// life cycle
+	postCreate: function(){
+		if(this.model){
+			var m = this.model;
+			if(dojo.isString(m)){
+				m = dojo.getObject(m);
+			}
+			this.model = (dojo.isFunction(m)) ? new m() : m;
+			this._setModel(this.model);
+		}
+		this.inherited(arguments);
+	},
+	
+	destroy: function(){
+		this.setModel(null);
+		this.inherited(arguments);
+	},
+	
+	// structure
+	_structureChanged: function() {
+		this.indexCellFields();
+		this.inherited(arguments);
+	},
+	
+	// model
+	_setModel: function(inModel){
+		// if(!inModel){ return; }
+		this.model = inModel;
+		if(this.model){
+			this.model.observer(this);
+			this.model.measure();
+			this.indexCellFields();
+		}
+	},
+	
+	setModel: function(inModel){
+		// summary:
+		//		Set the grid's data model
+		// inModel: Object
+		//		Model object, usually an instance of a dojox.grid.data.Model
+		//		subclass
+		if(this.model){
+			this.model.notObserver(this);
+		}
+		this._setModel(inModel);
+	},
+	
+
+	get: function(inRowIndex){
+		// summary: data socket (called in cell's context)	
+		return this.grid.model.getDatum(inRowIndex, this.fieldIndex);
+	},
+
+	// model modifications
+	modelAllChange: function(){
+		this.rowCount = (this.model ? this.model.getRowCount() : 0);
+		this.updateRowCount(this.rowCount);
+	},
+
+	modelRowChange: function(inData, inRowIndex){
+		this.updateRow(inRowIndex);
+	},
+
+	modelDatumChange: function(inDatum, inRowIndex, inFieldIndex){
+		this.updateRow(inRowIndex);
+	},
+
+	modelFieldsChange: function() {
+		this.indexCellFields();
+		this.render();
+	},
+
+	// model insertion
+	modelInsertion: function(inRowIndex){
+		this.updateRowCount(this.model.getRowCount());
+	},
+
+	// model removal
+	modelRemoval: function(inKeys){
+		this.updateRowCount(this.model.getRowCount());
+	},
+
+	// cells
+	getCellName: function(inCell){
+		var v = this.model.fields.values, i = inCell.fieldIndex;
+		return i>=0 && i<v.length && v[i].name || this.inherited(arguments);
+	},
+
+	indexCellFields: function(){
+		var cells = this.layout.cells;
+		for(var i=0, c; cells && (c=cells[i]); i++){
+			if(dojo.isString(c.field)){
+				c.fieldIndex = this.model.fields.indexOf(c.field);
+			}
+		}
+	},
+
+	// utility
+	refresh: function(){
+		// summary:
+		//		Re-render the grid, getting new data from the model
+		this.edit.cancel();
+		this.model.measure();
+	},
+
+	// sorting
+	canSort: function(inSortInfo){
+		var f = this.getSortField(inSortInfo);
+		// 0 is not a valid sort field
+		return f && this.model.canSort(f);
+	},
+
+	getSortField: function(inSortInfo){
+		// summary:
+		//		Retrieves the model field on which to sort data.
+		// inSortInfo: Integer
+		//		1-based grid column index; positive if sort is ascending, otherwise negative
+		var c = this.getCell(this.getSortIndex(inSortInfo));
+		// we expect c.fieldIndex == -1 for non model fields
+		// that yields a getSortField value of 0, which can be detected as invalid
+		return (c.fieldIndex+1) * (this.sortInfo > 0 ? 1 : -1);
+	},
+
+	sort: function(){
+		this.edit.apply();
+		this.model.sort(this.getSortField());
+	},
+
+	// row editing
+	addRow: function(inRowData, inIndex){
+		this.edit.apply();
+		var i = inIndex || -1;
+		if(i<0){
+			i = this.selection.getFirstSelected() || 0;
+		}
+		if(i<0){
+			i = 0;
+		}
+		this.model.insert(inRowData, i);
+		this.model.beginModifyRow(i);
+		// begin editing row
+		// FIXME: add to edit
+		for(var j=0, c; ((c=this.getCell(j)) && !c.editor); j++){}
+		if(c&&c.editor){
+			this.edit.setEditCell(c, i);
+			this.focus.setFocusCell(c, i);
+		}else{
+			this.focus.setFocusCell(this.getCell(0), i);
+		}
+	},
+
+	removeSelectedRows: function(){
+		this.edit.apply();
+		var s = this.selection.getSelected();
+		if(s.length){
+			this.model.remove(s);
+			this.selection.clear();
+		}
+	},
+
+	//: protected
+	// editing
+	canEdit: function(inCell, inRowIndex){
+		// summary: 
+		//		Determines if a given cell may be edited
+		// inCell: Object
+		//		A grid cell
+		// inRowIndex: Integer
+		//		Grid row index
+		// returns: Boolean
+		//		True if given cell may be edited
+		return (this.model.canModify ? this.model.canModify(inRowIndex) : true);
+	},
+
+	doStartEdit: function(inCell, inRowIndex){
+		this.model.beginModifyRow(inRowIndex);
+		this.onStartEdit(inCell, inRowIndex);
+	},
+
+	doApplyCellEdit: function(inValue, inRowIndex, inFieldIndex){
+		this.model.setDatum(inValue, inRowIndex, inFieldIndex);
+		this.onApplyCellEdit(inValue, inRowIndex, inFieldIndex);
+	},
+
+	doCancelEdit: function(inRowIndex){
+		this.model.cancelModifyRow(inRowIndex);
+		this.onCancelEdit.apply(this, arguments);
+	},
+
+	doApplyEdit: function(inRowIndex){
+		this.model.endModifyRow(inRowIndex);
+		this.onApplyEdit(inRowIndex);
+	},
+
+	styleRowState: function(inRow){
+		// summary: Perform row styling
+		if(this.model.getState){
+			var states=this.model.getState(inRow.index), c='';
+			for(var i=0, ss=["inflight", "error", "inserting"], s; s=ss[i]; i++){
+				if(states[s]){
+					c = ' dojoxGrid-row-' + s;
+					break;
+				}
+			}
+			inRow.customClasses += c;
+		}
+	},
+
+	onStyleRow: function(inRow){
+		this.styleRowState(inRow);
+		this.inherited(arguments);
+	}
+
+});
+
+dojox.Grid.markupFactory = function(props, node, ctor){
+	// handle setting up a data model for a store if one
+	// isn't provided. There are some caveats:
+	//		* we only really handle dojo.data sources well. They're the future
+	//		  so it's no big deal, but it's something to be aware of.
+	//		* I'm pretty sure that colgroup introspection is missing some of
+	//		  the available settable properties. 
+	//		* No handling of cell formatting and content getting is done
+	var d = dojo;
+	var widthFromAttr = function(n){
+		var w = d.attr(n, "width")||"auto";
+		if((w != "auto")&&(w.substr(-2) != "em")){
+			w = parseInt(w)+"px";
+		}
+		return w;
+	}
+	if(!props.model && d.hasAttr(node, "store")){
+		// if a model isn't specified and we point to a store, assume
+		// we're also folding the definition for a model up into the
+		// inline ctor for the Grid. This will then take properties
+		// like "query", "rowsPerPage", and "clientSort" from the grid
+		// definition.
+		var mNode = node.cloneNode(false);
+		d.attr(mNode, {
+			"jsId": null,
+			"dojoType": d.attr(node, "dataModelClass") || "dojox.grid.data.DojoData"
+		});
+		props.model = d.parser.instantiate([mNode])[0];
+	}
+	// if(!props.model){ console.debug("no model!"); }
+	// if a structure isn't referenced, do we have enough
+	// data to try to build one automatically?
+	if(	!props.structure && 
+		node.nodeName.toLowerCase() == "table"){
+
+		// try to discover a structure
+		props.structure = d.query("> colgroup", node).map(function(cg){
+			var sv = d.attr(cg, "span");
+			var v = { 
+				noscroll: (d.attr(cg, "noscroll") == "true") ? true : false,
+				__span: (!!sv ? parseInt(sv) : 1),
+				cells: []
+			};
+			if(d.hasAttr(cg, "width")){
+				v.width = widthFromAttr(cg);
+			}
+			return v; // for vendetta
+		});
+		if(!props.structure.length){
+			props.structure.push({
+				__span: Infinity,
+				cells: [] // catch-all view
+			}); 
+		}
+		// check to see if we're gonna have more than one view
+		
+		// for each tr in our th, create a row of cells
+		d.query("thead > tr", node).forEach(function(tr, tr_idx){
+			var cellCount = 0;
+			var viewIdx = 0;
+			var lastViewIdx;
+			var cView = null;
+			d.query("> th", tr).map(function(th){
+				// what view will this cell go into?
+
+				// NOTE:
+				//		to prevent extraneous iteration, we start counters over
+				//		for each row, incrementing over the surface area of the
+				//		structure that colgroup processing generates and
+				//		creating cell objects for each <th> to place into those
+				//		cell groups.  There's a lot of state-keepking logic
+				//		here, but it is what it has to be.
+				if(!cView){ // current view book keeping
+					lastViewIdx = 0;
+					cView = props.structure[0];
+				}else if(cellCount >= (lastViewIdx+cView.__span)){
+					viewIdx++;
+					// move to allocating things into the next view
+					lastViewIdx += cView.__span;
+					lastView = cView;
+					cView = props.structure[viewIdx];
+				}
+
+				// actually define the cell from what markup hands us
+				var cell = {
+					name: d.trim(d.attr(th, "name")||th.innerHTML),
+					field: d.trim(d.attr(th, "field")||""),
+					colSpan: parseInt(d.attr(th, "colspan")||1)
+				};
+				cellCount += cell.colSpan;
+				cell.field = cell.field||cell.name;
+				cell.width = widthFromAttr(th);
+				if(!cView.cells[tr_idx]){
+					cView.cells[tr_idx] = [];
+				}
+				cView.cells[tr_idx].push(cell);
+			});
+		});
+		// console.debug(dojo.toJson(props.structure, true));
+	}
+	return new dojox.Grid(props, node);
+}
+
+
+// alias us to the right location
+dojox.grid.Grid = dojox.Grid;
+
+}